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A Ben Lassoued, J Fromonot, M Marlinge, N Basset, M Chefrour, D Vairo, J Couillaud, L Lopez, T Cuisset, J Boucraut, E Delmont, S Attarian, R Guieu
No abstract text is available yet for this article.
November 1, 2016: International Journal of Cardiology
Kate Johnson, Ashish Malkan, Mohamed Shaffi
CANOMAD is a rare chronic neuropathy, characterized by chronic sensory ataxia and intermittent brain stem symptoms due to antidisialosyl antibodies. The disorder results in significant morbidity but is poorly understood and often misdiagnosed. We describe a unique case of CANOMAD, associated with involuntary movements of the face; patient reported exacerbations with citrus and chocolate and respiratory muscle weakness. Our patient was initially misdiagnosed with Miller Fisher Syndrome, highlighting the need for vigilance should neurological symptoms recur in patients initially diagnosed with a Guillain Barre variant...
2015: Case Reports in Medicine
Martin Krenn, Geoff Keir, Udo Carl Wieshmann
A 48-year-old man presented with numbness in fingers and diplopia 1 week after a flu-like illness. He made a full recovery but 8 years later developed progressive and disabling sensory ataxia. He had superimposed acute flare-ups with numbness, double vision and ptosis, all following infections. A blood test showed antidisialosyl antibodies including GD1b, GD3, GT1b and GQ1b in keeping with the diagnosis of chronic ataxic neuropathy, ophthalmoplegia, IgM paraprotein, cold agglutinins and antidisialosyl antibodies (CANOMAD)...
2014: BMJ Case Reports
Christiane Caudie, Arnaud Quittard Pinon, Françoise Bouhour, Christophe Vial, Lorna Garnier, Nicole Fabien
BACKGROUND: To assess the performance of commercial anti-ganglioside antibody assays, we determined anti-ganglioside antibody IgG and IgM isotype profiles of patients with acute and chronic well-characterized immune-mediated peripheral neuropathies by one immunodot assays (Zentec/Ingen: Dotzen Ganglio Profile Ab, Euroimmun/BioAdvance: Euroline ganglioprofile), two line-immuno assay (GA Generic Assays/Labodia: Anti-Gangli osid Dot, Euroimmun/BioAdvance: Euroline ganglioprofile), and one enzyme-linked immunosorbent assay (ELISA) (Bühlmann: GanglioCombi)...
2013: Clinical Laboratory
Penelope A McKelvie, Peter C Gates, Timothy Day
INTRODUCTION: An 80-year-old man had a 40-year history of chronic sensory ataxic neuropathy and 11 years of relapsing/remitting episodes of rapid deterioration with perioral paresthesiae and weakness of bulbar, respiratory, and limb muscles. METHODS: An immunoglobulin M (IgM) paraprotein was detected 12 years before death, and Waldenstrom macroglobulinemia was diagnosed on bone marrow biopsy 3 years before death. Chronic ataxic neuropathy with ophthalmoplegia, IgM paraprotein, cold agglutinins, and anti-disialyl antibodies (CANOMAD) was diagnosed...
October 2013: Muscle & Nerve
Eva Brøsted Kolmos, Marie Moth Henriksen, Niels Abildgaard, Søren Hein Sindrup
CANOMAD is a rare syndrome of chronic ataxic polyneuropathy, ophtalmoplegia, IgM paraprotein, cold agglutinins and anti-disialosyl antibodies. We present a case of a 65-year-old woman with clinical and electrophysiological features of chronic sensory polyneuropathy and diplopia. Serum samples from the patient contained IgM paraprotein and anti-GM2-antibodies. Treatment with intravenous immunoglobulins resulted in an improvement of the patient's diplopia and polyneuropathy. The case shows the importance of considering CANOMAD as a cause of diplopia in patients with chronic sensory polyneuropathy...
October 22, 2012: Ugeskrift for Laeger
Cheryl Kam, Michelle S Balaratnam, Alistair Purves, Kerry R Mills, Paul Riordan-Eva, Steve Pollock, Istvan Bodi, Neil A R Munro, David L H Bennett
The acronym CANOMAD encompasses chronic ataxic neuropathy combined with ophthalmoplegia, M protein, cold agglutinins, and anti-disialosyl antibodies.Herein we describe 2 patients presenting with progressive ataxic neuropathy who only developed ophthalmoplegia after a significant delay post-presentation, which in 1 case had features indicative of brainstem dysfunction. Both patients were found to have an IgM paraprotein and anti-disialosyl antibodies. They responded to treatment with intravenous immunoglobulin, thus illustrating the importance of diagnosing this condition...
November 2011: Muscle & Nerve
Lara Sanvito, Yusuf A Rajabally
CANOMAD is a chronic ataxic neuropathy associated with IgM paraproteinemia and reactivity against disialosyl gangliosides. Ophthalmoplegia is a typical feature, but optic pathway involvement has not been reported previously. We describe 2 cases of CANOMAD associated with optic neuropathy. Severe visual loss was present in 1 case. We postulate that optic nerve damage may be related to antibody reactivity against gangliosides. Our report broadens the spectrum of cranial nerve involvement in this rare entity.
September 2011: Muscle & Nerve
Ismael Boussaïd, Françoise Bouhour, Christophe Vial, Christiane Caudie
We reported the laboratory phenotype of a monoclonal IgM-lambda against disialylated gangliosides, in a 81-year-old man admitted to a neurological department because of the progressive development of distal paresthesias, gait unsteadiness, difficulty to walk and having falls. Serological studies revealed an IgM monoclonal protein with lambda light chain component of MGUS type. IgM level was 4 g/L. The positive laboratory studies showed high titers of IgM antibodies in excess of 1/10(5) against specific disialylated gangliosides including GD1b, GD3, GT1b and GQ1b...
July 2011: Annales de Biologie Clinique
Jean-Marc Leger, Bénédicte Chassande, Francesco Bombelli, Karine Viala, Lucile Musset, Jean Neil
Since the first report of a high prevalence of monoclonal gammapathy (MG) in patients with peripheral neuropathy (PN), some 25 years ago, a large number of such associations have been described. Neuropathies associated with MG have heterogeneous clinical, neurophysiological, neuropathological, and hematological features. The most pertinent relationship seems to be that between distal acquired demyelinating sensory (DADS) neuropathy associated with IgM MG of unknown significance (MGUS) and the presence of serum autoantibodies reacting with myelin-associated glycoprotein (MAG)...
May 2009: Bulletin de L'Académie Nationale de Médecine
S D Arbogast, S Khanna, D W Koontz, R L Tomsak, B Katirji, R J Leigh
We describe the clinical course, with special attention to the disturbance of eye movements, of a 29-year-old man with chronic ataxic neuropathy with ophthalmoplegia, IgM paraprotein, cold agglutinins and anti-GD1b disialosyl antibodies (CANOMAD). Using the magnetic search coil technique, we documented convergence during upward saccades and other features suggestive of dorsal midbrain syndrome. Thus, in common with Miller Fisher syndrome, CANOMAD may present with clinical findings implicating involvement of the central nervous system, which contains ganglioside antigens to anti-GD1b antibodies...
November 2007: Journal of Neurology, Neurosurgery, and Psychiatry
Arnaud Delval, Tanya Stojkovic, Patrick Vermersch
A 72-year-old man presented with oculomotor dysfunction, subacute relapsing sensorimotor neuropathy, elevated erythrocyte sedimentation rate, IgM monoclonal paraprotein, cold agglutinins, and antidisialosyl IgM antibodies, features previously described by the acronym CANOMAD (chronic ataxic neuropathy with ophthalmoplegia, M protein, agglutination, and disialosyl antibodies). The patient also had extramembranous glomerulopathy associated with this syndrome. Treatment with corticosteroids improved both the neuropathy and glomerulopathy...
February 2006: Muscle & Nerve
A Delval, T Stojkovic, J de Sèze, J-F Hurtevent, F Glowacki, A Beaume, A Destée, P Vermersch
INTRODUCTION: Polyneuropathies associated with IgM monoclonal gammopathy were recently recognized. Antibodies can react with glycoproteins such as myelin associated glycoprotein (MAG), or gangliosides containing one sialosyl epitope such as GM1 or several sialosyl epitopes (polysialyted gangliosides) including GD2, GD3, GT1b, GT1a, GQ1b. METHODS: We report on three patients presenting oculomotor dysfunction, chronic sensitive ataxic polyneuropathy, high sedimentation rate, IgM monoclonal paraprotein of unknown signification and antidisialosyl IgM antibodies and for two of them cold agglutinins...
October 2004: Revue Neurologique
H J Willison, C P O'Leary, J Veitch, L D Blumhardt, M Busby, M Donaghy, P Fuhr, H Ford, A Hahn, S Renaud, H A Katifi, S Ponsford, M Reuber, A Steck, I Sutton, W Schady, P K Thomas, A J Thompson, J M Vallat, J Winer
The clinical and laboratory phenotype of a paraproteinaemic neuropathy syndrome termed chronic sensory ataxic neuropathy with anti-disialosyl IgM antibodies is described in a series of 18 cases. Previous single case reports have outlined some features of this syndrome. All 18 cases were defined by the presence of serum IgM antibodies which react principally with NeuAc (alpha2-8)NeuAc(alpha2-3)Gal-configured disialosyl epitopes common to many gangliosides including GDlb, GD3, GTlb and GQlb. In 17 out of 18 cases, the serum contained benign IgM paraproteins, and in four of these cases at least two IgM paraproteins were present...
October 2001: Brain: a Journal of Neurology
K Susuki, M Koga, N Yuki, K Johkura, Y Kuroiwa
We described a 62-year-old man with a 10 years history of chronic sensory ataxic neuropathy. His laboratory investigations revealed elevated serum IgM with IgM kappa paraproteinemia, IgM antibody against b-series gangliosides including GD3, GD2, GD1b, GT1b, GQ1b, GQ1b alpha, and high titer of cold agglutinin. The clinical and serological features in our patient were compatible with the diagnosis of CANOMAD (chronic ataxic neuropathy with ophthalmoplegia, M-protein, agglutination, and disialosyl antibodies), proposed by Willison et al...
September 1999: Rinshō Shinkeigaku, Clinical Neurology
B C Jacobs, G M O'Hanlon, E G Breedland, J Veitch, P A van Doorn, H J Willison
IgM paraproteins from patients with CANOMAD (chronic ataxic neuropathy, ophthalmoplegia, M-protein, agglutination, anti-disialosyl antibodies) react with NeuAc(alpha 2-8)NeuAc epitopes on a wide range of gangliosides including GQ1b, GT1a, GD1b and GD3. The tissue distribution of reactive antigens in human peripheral nerve has not been addressed in detail. In addition, the origin of these antibodies is unknown. Here we report that purified anti-disialosyl paraproteins from two affected patients bind a wide array of human peripheral nerve structures including dorsal root ganglia, dorsal and ventral root axons, femoral and oculomotor nerves...
December 1997: Journal of Neuroimmunology
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